My wallet is nowhere to be found.I ( )when I was on the busA.must drop it B.should have dropoed it C.must have dropped it D.had dropped it

my wallet was nowhere to be found.这是什么句式结构?尤其是My wallet was nowhere这一部分 My wallet is nowhere to be found.I ___________ in the store.A.drops B.must have dropped it C.dropped D.dropping My wallet is purple.同义句是什么 This is my wallet 的同义句 My wallet is nowhere to be found.I ( )when I was on the busA.must drop it B.should have dropoed it C.must have dropped it D.had dropped it this wallet is my father's.怎么改成特殊疑问句 This wallet isnit ___ (my).It is ___ (Mike) What if my wallet is lost为什么不是What my wallet will be lostwhat if 如果…会怎样 英语翻译15、It is the best ______ I have seen.a.whob.whomc.thatd.which16、My wallet is nowhere to be found.I ____ in the store.a.should have dropped itb.must drop itc.must have dropped itd.ought to have dropped it17、The young lady coming over everywhere is nowhere without Where is my wallet?I can't find it a_____.横线上填什Where is my wallet?I can't find it a_____.横线上填什么? where --- i --- my wallet Acan,find B.may,find C.am,finding D.is,finding There ____ some money in my wallet.填is 还是are? My key is nowhere to be found.I it in my bedroom.havehave forgottenam leftforgot为什么选哪一个? Nowhere I haven`t got a car,and nowhere to live.My family is putting me up at the miment.翻译 I haven't got a car,and nowhere to live.My family is putting me up at the moment 一道小学英语句型转换题!This is my wallet.（变一般疑问句,做肯定及否定回答）